node-forge: node-forge: Denial of Service via infinite loop in BigInteger.modInverse()

🗓️ 09 Jun 2026 11:19:56Reported by RedHatType

redhat🔗 access.redhat.com👁 18 Views

node-forge vulnerability: BigInteger.modInverse() with zero enters infinite loop, causing denial of service.

Reporter	Title	Published	Views	Family All 61
IBM Security Bulletins	Security Bulletin: Multiple vulnerabilities in IBM watsonx Orchestrate with watsonx Assistant Cartridge	8 Jul 202608:48	–	ibm
IBM Security Bulletins	Security Bulletin: IBM App Connect Enterprise Certified Container operator and operands are vulnerable to arbitrary code execution, loss of confidentiality and denial of service	6 May 202613:05	–	ibm
IBM Security Bulletins	Security Bulletin: IBM Maximo Application Suite - Visual Inspection component uses node-forge-1.3.2.tgz, node-forge-1.3.3.tgz which is vulnerable to CVE-2026-33891, CVE-2026-33894, CVE-2026-33895, CVE-2026-33896	5 May 202612:43	–	ibm
IBM Security Bulletins	Security Bulletin: Due to use of node-forge-1.3.1.tgz, IBM Sterling Connect:Direct Web Services is affected by Denial of Service (DoS).	2 Jun 202612:04	–	ibm
IBM Security Bulletins	Security Bulletin: Vulnerabilities found in Watson Data Intelligence	24 Jun 202618:29	–	ibm
IBM Security Bulletins	Security Bulletin: Multiple Security vulnerabilities impacting watsonx.data integration	30 Jul 202617:36	–	ibm
ATTACKERKB	CVE-2026-33891	27 Mar 202620:43	–	attackerkb
Chainguard	CVE-2026-33891 vulnerabilities	31 Mar 202619:17	–	cgr
Circl	CVE-2026-33891	24 Mar 202620:59	–	circl
CNNVD	Digital Bazaar Forge 安全漏洞	27 Mar 202600:00	–	cnnvd

OS	OS Version	Architecture	Package	Package Version	Filename
Red Hat Enterprise Linux	8	noarch	automation-gateway-server	2.5.20260422-3.el8ap	automation-gateway-server-2.5.20260422-3.el8ap.noarch.rpm
Red Hat Enterprise Linux	9	noarch	automation-gateway-server	2.5.20260422-3.el9ap	automation-gateway-server-2.5.20260422-3.el9ap.noarch.rpm

Source	Link
access	www.access.redhat.com/security/cve/CVE-2026-33891
bugzilla	www.bugzilla.redhat.com/show_bug.cgi
github	www.github.com/digitalbazaar/forge/commit/9bb8d67b99d17e4ebb5fd7596cd699e11f25d023
github	www.github.com/digitalbazaar/forge/security/advisories/GHSA-5m6q-g25r-mvwx
nvd	www.nvd.nist.gov/vuln/detail/CVE-2026-33891
cve	www.cve.org/CVERecord

23 Aug 2026 02:46Current

5.4Medium risk

Vulners AI Score5.4

CVSS 3.17.5

EPSS0.00596

SSVC

node forge biginteger modinverse infinite loop denial of service remote attacker